Armcoltherm 500 Synthetic Heat Transfer Fluid is a premium‑grade, synthetic liquid‑phase heat transfer fluid engineered for exceptional thermal stability and long‑term performance in demanding high‑temperature applications. Operating seamlessly at system temperatures up to 315°C, it provides a reliable, high‑efficiency thermal management solution across a broad range of industrial processing environments.
Best Practices for System Longevity: To maximize heat transfer efficiency and extend fluid life, system design and daily operations must strictly align with the recommended Maximum Bulk Temperature and Maximum Film Temperature specifications. Proper heater design and adequate fluid velocity are essential to prevent localized overheating.
| Property | Unit | Result |
|---|---|---|
| Appearance | Visual | Clear liquid |
| Composition | - | Refined mineral oil |
| Average molecular weight | - | 350 |
| Maximum bulk temperature | °C | 315 |
| Maximum film temperature | °C | 335 |
| Flash point | °C | 218 |
| Autoignition temperature | °C | 330 |
| Normal boiling point | °C | 350 |
| Pour point | °C | -20 |
| Coefficient of thermal expansion | 1/°C | 0.000751 |
| Density @20°C | kg/m³ | 845 |
| Viscosity, Kinematic @40°C | mm²/s | 30.5 |
| Viscosity, Kinematic @100°C | mm²/s | 5.30 |
| Liquid heat capacity @300°C | kJ/kg.k | 2.92 |
| Liquid thermal conductivity @300°C | W/m.k | 0.098 |
| Vapor pressure @300°C | kPa | 29.9 |
| Pseudocritical temperature | °C | 540 |
| Pseudocritical pressure | bar | 15.1 |
| Pseudocritical density | kg/m³ | 278 |
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Main Product:
Heat Transfer Fluid,
Heat Transfer Oil,
Thermal Oil,
Dibenzyltoluene,
Alkylbenzene ,
Hydrogenated Terphenyls